This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
indoor picture frame architecture brightlycoloured certificate showing at the top three seated female allegorical figures of Wisdom Justice and Truth. The whole certificate is bordered in an architectural arch of green marble background with gold highlights and there are inset scenes of steam trains railway workshops stationmaster